Block top - The block selection and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://pr6bookmark.com/story20717160/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-list-ly-churchkjeldsen86wpibju